Lamp housing



FIG. 1 is a top plan view of the lamp housing in accordance with the design;

FIG. 2 is a front side elevational view of the lamp housing in accordance with the design, the rear side being identical thereto;

FIG. 3 is a left side elevational view of the lamp housing in accordance with the design, the right side being identical thereto; and,

FIG. 4 is a bottom plan view of the lamp housing in accordance with the design.

The broken lines show the environment in which the article is used and are not considered part of the design claimed. 

The ornamental design for a lamp housing, as shown and described. 